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15022140149 = 67224211047
BaseRepresentation
bin11011111110110001…
…11010101011110101
31102202220210210021002
431333120322223311
5221231131441044
610522344333045
71041156040652
oct157730725365
942686723232
1015022140149
116409674265
122ab2a74185
1315552cb633
14a27148c29
155cdc3974e
hex37f63aaf5

15022140149 has 4 divisors (see below), whose sum is σ = 15246351264. Its totient is φ = 14797929036.

The previous prime is 15022140143. The next prime is 15022140191. The reversal of 15022140149 is 94104122051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94104122051 = 194952848529.

It is a cyclic number.

It is not a de Polignac number, because 15022140149 - 28 = 15022139893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15022140143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112105457 + ... + 112105590.

It is an arithmetic number, because the mean of its divisors is an integer number (3811587816).

Almost surely, 215022140149 is an apocalyptic number.

It is an amenable number.

15022140149 is a deficient number, since it is larger than the sum of its proper divisors (224211115).

15022140149 is an equidigital number, since it uses as much as digits as its factorization.

15022140149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224211114.

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 15022140149 in words is "fifteen billion, twenty-two million, one hundred forty thousand, one hundred forty-nine".

Divisors: 1 67 224211047 15022140149